heatherdutton says:
Thanks so much Daniela, Claire, Amy, Christine, Marina, Adena, Angela, Tina & Karen :) There are soooooo many gorgeous designs for this challenge & I'm all smiles that you like what I created!

Wallpaper Coverage Calculator

Based on the dimensions you provide, this calculator will determine the
number of custom-length sections of paper you'll need to cover any surface.
If the height of your surface varies, input the tallest dimension in
order for the pattern to line up correctly.